It’s best to travel with someone who can translate things for you you speak French yourse

问题补充：

It’s best to travel with someone who can translate things for you you speak French yourself.

A. if

B. until

C. unless

D. when

答案：

A. if

B. until

(答案→)C. unless

D. when

解析：A. if 假如B. until直到 C. unless除非 D. when当…时候，句意：和能为你做翻译的人一起旅游是最好的，除非你自己能够将法语。故选C.